There's a few things you can depending on how much time you have to study and your dedication.
Must study:
-Pestana book (it's a small blue book that can fit in your white coat). Buy it off amazon. There were questions that came directly from this book. I felt like they were writing questions out of here. It's incredible stuff. You can add to this with pestana's notes found online (idk where 😉) and pestana's videos (idk where you get these lol). The notes have a lot of info to add to to it, but it's not necessary and there are some outdated stuff in there in comparison with the book.
-Uworld: Obviously do all of the surgery content. However, this focuses a lot on trauma/msk stuff, which will be on the exam, but there is a ton of questions from the IM sections of uworld too. Do high yield IM sections such as GI (big time), electrolytes. Those are the 2 big ones. There's other stuff that I did from uworld per the clinical rotations section on SDN. I forgot which other IM sections are good but those are the 2 big ones. I did the surgery section and the incorrects, then I just went ham on IM stuff.
Good book, not necessary:
-NMS casebook: It's pretty good, but I feel like some info is outdated and it's a lot more long-winded than pestana. I feel like in 3rd year I've had trouble using this stuff because it's textbook format and I couldn't read anymore. Don't do this source if you won't have time to get to the above 2. If you want to do surgery, you need honors, you have the time and dedication do this with the sources above, and you will honor if you're good at these tests. I used all 3 of these sources and honored the rotation. Other factors that play a role in honoring the shelf is whether or not you've had IM and other rotations before this to build the repertoire of knowledge that is tested. But honestly don't be scared by that. If you do the above stuff you CAN honor (if you typically can honor stuff). Just as a disclaimer, my school had some lectures and a textbook they gave us that I watched and skimmed through, respectively. However, I studied my ass off and could really identify which sources were most helpful.
On SDN, these 3 resources are mentioned the most. People will throw random textbooks in the mix, but honestly I'd avoid playing around with other sources. Who has time to waste on a resource that could end up being ****ty?
General advice: You don't HAVE to honor surgery to do GENERAL surgery. I have a lot of friends who did surgery without honoring it. They had ~ your step 1 too. Be well-liked, work hard, get good LOR and you'll be fine regardless. Honoring surgery will help a lot though, so do your best. Clinical honors works different at every school so I cannot really comment on that. Read about cases the next day, relevant anatomy, that one book everyone uses, is it surgery recall or some ****? It's a book that will tell you pimp questions for each case. All those things help. Don't complain the typical stuff.
Good luck.